<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  {{info}}
  <input type="text" :value="info">
  <h1>双向绑定</h1>
  <!--v-model让控件的值和变量进行双向绑定,变量值改变会影响页面,页面的值改动也会影响变量-->
  <input type="text" v-model="info">
</div>
<script src="../js/vue.js"></script>
<script>
  let v = new Vue({
    el:"body>div",
    data() {
      return {
        info: "双向绑定"
      }
    },
  })
</script>
</body>
</html>